16116765 has 32 divisors (see below), whose sum is σ = 31207680. Its totient is φ = 6933504.

The previous prime is 16116761. The next prime is 16116797. The reversal of 16116765 is 56761161.

It is not a de Polignac number, because 16116765 - 2² = 16116761 is a prime.

It is a super-2 number, since 2×16116765² = 519500228130450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16116761) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2730 + ... + 6299.

It is an arithmetic number, because the mean of its divisors is an integer number (975240).

Almost surely, 2^16116765 is an apocalyptic number.

16116765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16116765 is a deficient number, since it is larger than the sum of its proper divisors (15090915).

16116765 is a wasteful number, since it uses less digits than its factorization.

16116765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9061.

The product of its digits is 7560, while the sum is 33.

The square root of 16116765 is about 4014.5690926923. The cubic root of 16116765 is about 252.5957027020.

The spelling of 16116765 in words is "sixteen million, one hundred sixteen thousand, seven hundred sixty-five".